Malware Analysis Report

2025-01-22 14:31

Sample ID 240623-edcl2ayfmf
Target 051e6d794433911d2c3d2288bacd673d_JaffaCakes118
SHA256 181cc2ae8d324f683eafabc41429a65ed694118d20039efae78d4baac2f757ec
Tags
upx gh0strat persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

181cc2ae8d324f683eafabc41429a65ed694118d20039efae78d4baac2f757ec

Threat Level: Known bad

The file 051e6d794433911d2c3d2288bacd673d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx gh0strat persistence rat

Gh0st RAT payload

Gh0strat family

Gh0strat

UPX packed file

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-23 03:49

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat family

gh0strat

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 03:49

Reported

2024-06-23 03:51

Platform

win7-20240508-en

Max time kernel

150s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\Windows\(null)0.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A
File opened for modification \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A
File created \??\c:\Windows\(null)0.exe C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe"

\??\c:\Windows\(null)0.exe

c:\Windows\(null)0.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 haidishijie.3322.org udp

Files

memory/2928-0-0x0000000000400000-0x00000000004F0000-memory.dmp

C:\Windows\(null)0.exe

MD5 051e6d794433911d2c3d2288bacd673d
SHA1 379b2e8dad2671b9f839adb54202a62dc0832644
SHA256 181cc2ae8d324f683eafabc41429a65ed694118d20039efae78d4baac2f757ec
SHA512 64ca13a698edc6f41ad2ecf2125ecba892ef77d9bc5998dfb3b48fccda9adfbdab7628828e60b8395a7f0e9071670bdcbdb9ff1b920f39b6992854327cee7274

memory/2928-6-0x00000000024B0000-0x00000000025A0000-memory.dmp

memory/2204-12-0x0000000000400000-0x00000000004F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 03:49

Reported

2024-06-23 03:51

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A
File opened for modification \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A
File created \??\c:\Windows\ì4249552.exe C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\051e6d794433911d2c3d2288bacd673d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 haidishijie.3322.org udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/560-0-0x0000000000400000-0x00000000004F0000-memory.dmp

memory/560-3-0x0000000000400000-0x00000000004F0000-memory.dmp